The wear (abrasion) resistance of the rubber covers is the biggest influence on the working life of a belt. There are two internationally recognised sets of standards for abrasion, ISO 10247 (H, D and L) and DIN 22102 (Y, W and X).


The longer-established DIN standards is most generally recognised and accepted. Generally speaking, DIN Y relates to ‘normal’ service conditions; DIN W for more abrasive materials and DIN X for resistance to cutting, impact, abrasion and gouging resulting from large lump sizes of heavy and sharp materials.